bool print_signal(signal sig)
    {
        print("-----");
        print("图层:"+text(sig.index));
        print("时间:"+DateTimeToString(sig.datetime));
        If(sig.side == Enum_Buy)
        {
            print("方向:买入");
        }Else
        {
            print("方向:卖出");
        }
        If(sig.comboffset == Enum_Entry)
        {
            print("开平:开仓");
        }Else If(sig.comboffset == Enum_Exit)
        {
            print("开平:平仓");
        }Else
        {
            print("开平:平今");
        }
        print("价格:"+text(sig.price));
        print("数量:"+text(sig.volume));
        print("操作源:"+sig.createsource);
        If(sig.flag == Enum_Signal_History)
        {
            print("flag:历史");
        }Else If(sig.flag == Enum_Signal_NotSend) 
        {
            print("flag:不发");
        }else
        {
            print("flag:不矫正");
        }   
        return true;
    }